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Finding the Fourth Proportional to 706,174,682.21, 974,655,978.89 and 467,599,067.45

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Solution

The fourth proportional to 706,174,682.21, 974,655,978.89 and 467,599,067.45 is: 645,376,049.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,174,682.21 : 974,655,978.89 = 467,599,067.45 : x
  2. Step 2: Convert to fraction form
    706,174,682.21/974,655,978.89 = 467,599,067.45/x
  3. Step 3: Cross multiply
    706,174,682.21x = 974,655,978.89 × 467,599,067.45
  4. Step 4: Simplify right side
    706,174,682.21x = 455,748,226,811,192,896
  5. Step 5: Solve for x
    x = 455,748,226,811,192,896/706,174,682.21
  6. Step 6: Final answer
    x = 645,376,049.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.